import Vue from 'vue'
import Router from 'vue-router'
import Login from './components/Login.vue'
import Home from './components/Home.vue'
import Welcome from './components/Welcome.vue'
import Users from './components/user/Users.vue'
import Rights from './components/power/Rights.vue'
import Roles from './components/power/Roles.vue'
import Test from './components/user/test.vue'
import Goods from './components/goods/Goods.vue'
import Params from './components/goods/Params.vue'
import Categories from './components/goods/Categories.vue'
import Add from './components/goods/Add.vue'
import Orders from './components/orders/Orders.vue'
import Reports from './components/report/Report.vue'

Vue.use(Router)

const router = new Router({
  routes: [{
    path: '/',
    redirect: '/login'
  },
  {
    path: '/login',
    component: Login
  },
  {
    path: '/home',
    component: Home,
    redirect: '/welcome',
    children: [{
      path: '/welcome',
      component: Welcome
    },
    {
      path: '/users',
      component: Users
    },
    {
      path: '/rights',
      component: Rights
    },
    {
      path: '/roles',
      component: Roles
    },
    {
      path: '/test',
      component: Test
    },
    {
      path: '/goods',
      component: Goods
    },
    {
      path: '/params',
      component: Params
    },
    {
      path: '/categories',
      component: Categories
    },
    {
      path: '/goods/add',
      component: Add
    },
    {
      path: '/orders',
      component: Orders
    },
    {
      path: '/reports',
      component: Reports
    }
    ]
  }

  ]
})

// 挂在路由导航守卫(控制页面访问权限)
// to 将要访问路径；from从哪个路径跳转而来；next是一个函数，表示放行
router.beforeEach((to, form, next) => {
  if (to.path === '/login') return next()
  // 获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})

export default router
